OAK HARBOR CITY OF
Washington - Community Water System - PWSID: WA5362650
System Information
| PWSID | WA5362650 |
| System Name | OAK HARBOR CITY OF |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Feb 7, 1981 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Oak Harbor |
| ZIP Code | 98277 |
| Address | 865 SE Barrington Dr |
| Organization | OAK HARBOR CITY OF |
| Phone | - |
Population & Service
| Population Served | 23,767 |
| Service Connections | 8,825 |
Drinking Water Violations (15)
This water system has 15 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.060 mg/L | - | Archived | Dec 31, 2025 | - | |
| Oct 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | 0.080 mg/L | - | Archived | Dec 31, 2025 | - | |
| Jan 1, 2024 | Mar 31, 2024 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2024 | - | |
| Jan 1, 2024 | Mar 31, 2024 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Mar 31, 2024 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2013 | - | |
| Feb 1, 1994 | Feb 28, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Feb 28, 1994 | - | |
| Sep 1, 1992 | Sep 30, 1992 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 1992 | - | |
| Jul 1, 1992 | Jul 31, 1992 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1992 | - | |
| Feb 1, 1992 | Feb 29, 1992 | MR | No | No | - | 5% of samples | - | Archived | Feb 29, 1992 | - | |
| Jan 1, 1992 | Jan 31, 1992 | MR | No | No | - | 5% of samples | - | Archived | Jan 31, 1992 | - | |
| Dec 1, 1991 | Dec 31, 1991 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 1991 | - | |
| Nov 1, 1991 | Nov 30, 1991 | MR | No | No | - | 5% of samples | - | Archived | Nov 30, 1991 | - | |
| Oct 1, 1991 | Oct 31, 1991 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 1991 | - | |
| May 1, 1983 | Sep 30, 1983 | MCL | Yes | No | 2.2 | 4.0 mg/L | 2 | Archived | Sep 30, 1983 | - | |
| - | - | - | No | No | - | - | - | - | - | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.